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Editorial Team
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Asked: 2026-06-08T17:42:45+00:00

I am studying the java stack, and am just curious about the pointer in

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I am studying the java stack, and am just curious about the pointer in this particular scenario.

When we push an object or a node onto our stack, where does this point:

  • at the front of the first node?
  • at the back of the first node?

Can anybody help me on this or give some demo link describing a stack pushing and popping the node in the stack? And give me details on where the pointer is pointing any given time.

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1 Answer

  1. Editorial Team

    This is how a stack works:

    You push elements into it like this. The freshly added elements are always “on top” since it is a Last in First Out (LIFO) structure. You can only access the top element:

    Stack push

    Then You can pop these elements, but pop always removes the top one, like this:

    enter image description here

    If i misunderstood your question, please write a comment, and I will delete this post!

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